(19)
(11) EP 3 270 969 A1

(12)

(43) Date of publication:
24.01.2018 Bulletin 2018/04

(21) Application number: 16711735.7

(22) Date of filing: 08.03.2016
(51) International Patent Classification (IPC): 
A61K 47/38(2006.01)
C08B 11/20(2006.01)
 A61K 9/16(2006.01)
C08B 13/00(2006.01)
(86) International application number:
PCT/US2016/021322
(87) International publication number:
WO 2016/148975 (22.09.2016 Gazette 2016/38)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
MA MD

(30) Priority: 16.03.2015 US 201562133505 P

(71) Applicant: Dow Global Technologies LLC
Midland, MI 48674 (US)

(72) Inventors:
  • PETERMANN, Oliver
    29699 Bomlitz (DE)
  • KNARR, Matthias
    29699 Bomlitz (DE)
  • BRACKHAGEN, Meinolf
    29699 Bomlitz (DE)
  • SPREHE, Matthias
    29699 Bomlitz (DE)

(74) Representative: f & e patent 
Braunsberger Feld 29
51429 Bergisch Gladbach
51429 Bergisch Gladbach (DE)

   


(54) A PROCESS FOR FRACTIONATING AN ESTERIFIED CELLULOSE ETHER